EP1174663A2 - Verfahren zur Belüftungsregelung - Google Patents
Verfahren zur Belüftungsregelung Download PDFInfo
- Publication number
- EP1174663A2 EP1174663A2 EP01113482A EP01113482A EP1174663A2 EP 1174663 A2 EP1174663 A2 EP 1174663A2 EP 01113482 A EP01113482 A EP 01113482A EP 01113482 A EP01113482 A EP 01113482A EP 1174663 A2 EP1174663 A2 EP 1174663A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- flap
- bel
- air duct
- warm
- duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00835—Damper doors, e.g. position control
- B60H1/00842—Damper doors, e.g. position control the system comprising a plurality of damper doors; Air distribution between several outlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/04—Air-mixing units
Definitions
- the invention relates to a method for ventilation control according to the preamble of claim 1.
- heating or cooling in motor vehicles is one in the vehicle interior Indoor temperature to be set conventionally by mixing of warm and cold air.
- the warm air is generated by using a heat exchanger generated and guided in a warm air duct.
- the warm air duct combines mostly with a cold air duct to an overall duct.
- the cold air is either supplied by the ambient air or a cooling element.
- FIG. 1 In order to be able to regulate both the mixing temperature and the total air mass, two flaps have so far often been provided in the individual channels, as shown in FIG. 1.
- reference numeral 12 denotes a cold air duct in which an air mass flow m flows cold at a temperature T VD .
- An air mass flow m warm with an air temperature T WT can be found in a warm air duct 14.
- Both channels 12 and 14 combine to form a total air channel 10 in which a mixing temperature T Bel and a total air mass flow m Bel are set.
- the mixing temperature T Bel essentially results from the position of a mixing ventilation flap 18, which determines the ratio of the air mass flows m cold and m warm by appropriate positioning ,
- the total air mass flow m Bel is defined by its own flap 16, which is arranged in the overall ventilation duct 10.
- the respective positions ( ⁇ mi , ⁇ Bel ) of the ventilation flaps 16 and 18 are set on the basis of control variables which are applied to actuators, not shown, which are each connected to the corresponding flaps.
- the control variables result from ventilation models that are conventionally known.
- the object of the present invention is to provide a method with which the previous control variables from the known ventilation and air conditioning models, some of which are particularly sophisticated, continue to be used can be.
- a virtual flap for the entire duct is introduced, which corresponds to the previous total air flow flap and would, if applied to the conventional control variable when it was implemented, achieve a desired total mass flow m Bel .
- the position of the virtual flap is then converted into positions for the flaps now used in the warm and cold air ducts themselves. This results in a conversion which enables the conventional models to be adapted to the new ventilation device.
- the method according to the invention can in particular be designed as a controller his.
- the degree of opening of the virtual flap on the one hand and the sum of the Degree of opening of the hot air duct flap and the cold air duct flap on the other hand considered to be proportionally dependent on each other.
- the mixing temperature on the one hand and the sum of the products from Warm air duct temperature and warm air duct opening degree as well as cold air duct temperature and cold air duct opening degree, on the other hand, as proportional to each other can be assumed dependent. With these two relationships, you can represent simple conversion steps.
- a cold air duct 12 and a warm air duct 14 combine to form an overall duct 10.
- the flow cross section of the cold air duct 12 can be adjusted by a ventilation flap 20, the flow cross section of the warm air duct 14 by a ventilation flap 22.
- the respective air mass flows m cold and m warm can thus be controlled in the desired manner.
- a mixed temperature T Bel and a total air mass flow m Bel in the overall duct 10 then result from the set flow cross sections and thus the selected air mass flows m cold and m warm as well as the associated air temperatures in the respective channels, namely T VD and T WT .
- a virtual flap 24 is now introduced in the overall channel, which is only available as a model and is not actually available. Furthermore, previous temperature models and corresponding control variables continue to be used, such as are used in a ventilation device according to FIG. 1.
- a corresponding control variable Y in FIG. 1 would also result in the position of the flap 16 for the total flow mass m Bel .
- the corresponding control variable Y is now used to determine a virtual opening angle ⁇ Bel, virt for the virtual flap 24.
- the upper part represents the previous method according to which an opening degree ⁇ Bel for the ventilation flap 16 in the overall duct 10 has been calculated using a manipulated variable Y and a corresponding characteristic curve from Table 30.
- the unit 32 are from the control value Y to the outside temperature T a, the stratification friendshipr signal SST, the temperature set point T set and the interior temperature T; a setpoint for the ventilation temperature (mixed temperature) T Bel, is determined.
- these values were output to the corresponding servomotor for the flap 18, so that a corresponding setting has been made.
- the actual temperature T Bel is now reported back, a new ventilation temperature now being determined in a separate unit 38 from the deviation of the actual temperature T Bel, ist from the old mixing temperature T Bel, alt . This difference is now reported back in total with the setpoint T Bel, should for the mixed temperature T Bel, in the iteration stage 34, so that the desired sizes for the total air flow mass m Bel and T Bel are obtained over different iteration stages.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Air-Conditioning For Vehicles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
- Fig. 1
- eine schematische Darstellung einer Lüftungskanalanordnung gemäß dem Stand der Technik,
- Fig. 2
- eine Anordnung einer Lüftungskanaldarstellung, wie sie bei der vorliegenden Erfindung verwendet wird und
- Fig. 3
- ein schematisches Blockschaltbild, welche den bisherigen und den neuen Teil beim Ausführungsbeispiel für die vorliegende Erfindung näher beschreibt.
Claims (5)
- Verfahren zur Belüftungsregelung, bei dem eine Luftmischtemperatur TBel sowie ein Luftmassenstrom mBel in einem Gesamtkanal durch die Einstellung von in einem Warmluftkanal angeordneter realer Klappe und in einem Kaltluftkanal angeordneter realer Klappe, wobei Warm- und Kaltluftkanal sich stromabwärts der Klappen zum Gesamtkanal vereinigen, wählbar sind und bei dem die Klappenstellungen aufgrund von Steuergrößen eingestellt werden,
dadurch gekennzeichnet,dass eine virtuelle Klappe (24) im Gesamtkanal (10) definiert wird, bei deren Verwirklichung durch deren Einstellung der Luftmassenstrom mBel bestimmt sein würde,dass Steuergrößen für die Stellung der virtuellen Klappe (24) verwendet werden, die - bei Realisierung der virtuellen Klappe (24) - einen bestimmten Luftmassenstrom mBel ergeben würden unddass die Stellungen der Kaltluftkanal-Klappe (20) sowie der Warmluftkanal-Klappe (22) in Abhängigkeit von den Steuergrößen für die virtuelle Klappe mittels eine Konvertierungsprogrammes bestimmt werden, derart, dass der durch die virtuelle Klappe (24) zu erzeugende Luftmassenstrom mBel durch die Einstellung der realen Klappen (20, 22) realisierbar ist. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass bei der Umrechnung der Klappenstellung der virtuellen Klappe (24) in die Stellungen der Klappen des Warm- und Kaltluftkanals die Lufttemperaturen im Warmluftkanal TWT sowie im Kaltluftkanal TVD berücksichtigt werden. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die gewünschte Mischtemperatur TBel durch eine entsprechende Einstellung der Kaltluftkanal-Klappe (20) sowie der Warmluftkanalklappe (22) erreicht wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass der Öffnungsgrad der virtuellen Klappe (24) einerseits und die Summe aus den Öffnungsgraden der Warmluftkanal-Klappe (22) und der Kaltluftkanal-Klappe (20) andererseits als proportional abhängig voneinander angenommen wird. - Verfahren nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Mischtemperatur TBel einerseits und die Summe aus den beiden Produkten von Warmluftkanal-Temperatur (TWT) und Warmluftkanal-Öffnungsgrad (αwarm) sowie Kaltluftkanal-Temperatur (TVD) und Kaltluftkanal-Öffnungsgrad (αkalt) andererseits als proportional abhängig voneinander angenommen wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10035510 | 2000-07-21 | ||
| DE10035510A DE10035510A1 (de) | 2000-07-21 | 2000-07-21 | Verfahren zur Belüftungsreglung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1174663A2 true EP1174663A2 (de) | 2002-01-23 |
| EP1174663A3 EP1174663A3 (de) | 2004-03-31 |
| EP1174663B1 EP1174663B1 (de) | 2006-08-09 |
Family
ID=7649712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01113482A Expired - Lifetime EP1174663B1 (de) | 2000-07-21 | 2001-06-02 | Verfahren zur Belüftungsregelung |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1174663B1 (de) |
| DE (2) | DE10035510A1 (de) |
| ES (1) | ES2267632T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508806A (zh) * | 2022-02-21 | 2022-05-17 | 西安交通大学 | 一种同时调节送风温度和流量的动态送风装置和调节方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1423043A (en) * | 1973-04-13 | 1976-01-28 | Rolls Royce Motors Ltd | Vehicle air conditioning system |
| DE2927697A1 (de) * | 1979-07-09 | 1981-01-29 | Eugen Otto Butz | Absperr- bzw. regelklappe, insbesondere fuer einen luftstrom in einem belueftungsgeraet eines kraftfahrzeugs |
| JPS5848890Y2 (ja) * | 1979-10-16 | 1983-11-08 | トヨタ自動車株式会社 | 車輛用空気調和装置 |
| US4364428A (en) * | 1979-11-09 | 1982-12-21 | Hitachi, Ltd. | Automatic air-conditioning apparatus |
| JPS5934914A (ja) * | 1982-08-19 | 1984-02-25 | Mitsubishi Electric Corp | 自動車用空気調和装置 |
| US4677902A (en) * | 1984-12-18 | 1987-07-07 | Diesel Kiki Co., Ltd. | Deodorizing device of an air conditioning system for automotive vehicles |
| JPS6280119A (ja) * | 1985-10-04 | 1987-04-13 | Alps Electric Co Ltd | 空調制御装置 |
| US4744511A (en) * | 1985-11-27 | 1988-05-17 | Nippondenso Co., Ltd. | Air conditioner for automobiles |
| DE59100066D1 (de) * | 1991-07-17 | 1993-04-29 | Siemens Ag | Heiz- und/oder klimageraet mit luftseitiger temperatureinstellung fuer ein kraftfahrzeug. |
| IT1250834B (it) * | 1991-07-31 | 1995-04-21 | Fiat Auto Spa | Sonda per impianti di climatizzazione per veicoli. |
| JPH0834222A (ja) * | 1994-07-25 | 1996-02-06 | Zexel Corp | 車両用空調制御方法 |
| FR2753657B1 (fr) * | 1996-09-23 | 1998-11-27 | Installation et procede pour evacuer des odeurs nauseabondes dans une installation de climatisation pour vehicule automobile | |
| DE19830300C2 (de) * | 1998-07-07 | 2000-05-18 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
-
2000
- 2000-07-21 DE DE10035510A patent/DE10035510A1/de not_active Withdrawn
-
2001
- 2001-06-02 DE DE50110668T patent/DE50110668D1/de not_active Expired - Lifetime
- 2001-06-02 EP EP01113482A patent/EP1174663B1/de not_active Expired - Lifetime
- 2001-06-02 ES ES01113482T patent/ES2267632T3/es not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114508806A (zh) * | 2022-02-21 | 2022-05-17 | 西安交通大学 | 一种同时调节送风温度和流量的动态送风装置和调节方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1174663A3 (de) | 2004-03-31 |
| DE50110668D1 (de) | 2006-09-21 |
| ES2267632T3 (es) | 2007-03-16 |
| EP1174663B1 (de) | 2006-08-09 |
| DE10035510A1 (de) | 2002-01-31 |
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